
<!DOCTYPE html>
<html>
<head>
    <title>index.php</title>
    <style type="text/css">
        table {
            width: 70%;
            border-bottom: solid 1px #000000;
            border-right: solid 1px #000000;
            margin: 0px auto;
        }
        tr td {
            border-top: solid 1px #000000;
            border-left: solid 1px #000000;
        }
        tr th {
            border-top: solid 1px #000000;
            border-left: solid 1px #000000;
            text-align: left;
            background: aliceblue;
        }
    </style>
</head>
<body>
    <table cellspacing="0">
        <tr>
            <th>序号</th>
            <th>文件</th>
            <th>备注</th>
        </tr>
        <tr>
            <td>01</td>
            <td><a href="study/1.php">1.php</a></td>
            <td></td>
        </tr>
        <tr>
            <td>02</td>
            <td><a href="study/2.php">2.php</a></td>
            <td></td>
        </tr>

    </table>
</body>
</html>